US20100000033A1 - Basic Bisazo Compounds - Google Patents

Basic Bisazo Compounds Download PDF

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US20100000033A1
US20100000033A1 US12/375,375 US37537507A US2010000033A1 US 20100000033 A1 US20100000033 A1 US 20100000033A1 US 37537507 A US37537507 A US 37537507A US 2010000033 A1 US2010000033 A1 US 2010000033A1
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alkyl group
substituted
unsubstituted
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US8921564B2 (en
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Ludwig Hasemann
Friedrich Lehr
Martin Oberholzer
Heidrun Schene
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Archroma IP GmbH
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Clariant Finance BVI Ltd
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    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21HPULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H21/00Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
    • D21H21/14Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by function or properties in or on the paper
    • D21H21/28Colorants ; Pigments or opacifying agents
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09BORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
    • C09B35/00Disazo and polyazo dyes of the type A<-D->B prepared by diazotising and coupling
    • C09B35/02Disazo dyes
    • C09B35/021Disazo dyes characterised by two coupling components of the same type
    • C09B35/03Disazo dyes characterised by two coupling components of the same type in which the coupling component is a heterocyclic compound
    • C09B35/031Disazo dyes characterised by two coupling components of the same type in which the coupling component is a heterocyclic compound containing a six membered ring with one nitrogen atom as the only ring hetero atom
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09BORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
    • C09B35/00Disazo and polyazo dyes of the type A<-D->B prepared by diazotising and coupling
    • C09B35/02Disazo dyes
    • C09B35/039Disazo dyes characterised by the tetrazo component
    • C09B35/205Disazo dyes characterised by the tetrazo component the tetrazo component being a derivative of a diaryl- or triaryl- alkane or-alkene
    • C09B35/21Disazo dyes characterised by the tetrazo component the tetrazo component being a derivative of a diaryl- or triaryl- alkane or-alkene of diarylmethane or triarylmethane
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09BORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
    • C09B67/00Influencing the physical, e.g. the dyeing or printing properties of dyestuffs without chemical reactions, e.g. by treating with solvents grinding or grinding assistants, coating of pigments or dyes; Process features in the making of dyestuff preparations; Dyestuff preparations of a special physical nature, e.g. tablets, films
    • C09B67/0033Blends of pigments; Mixtured crystals; Solid solutions
    • C09B67/0046Mixtures of two or more azo dyes
    • C09B67/0055Mixtures of two or more disazo dyes
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D11/00Inks
    • C09D11/30Inkjet printing inks
    • C09D11/32Inkjet printing inks characterised by colouring agents
    • C09D11/328Inkjet printing inks characterised by colouring agents characterised by dyes
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S8/00Bleaching and dyeing; fluid treatment and chemical modification of textiles and fibers
    • Y10S8/916Natural fiber dyeing
    • Y10S8/919Paper

Abstract

The invention relates to basic bisazo compounds according to formula (I)
Figure US20100000033A1-20100107-C00001
wherein all substituents are defined as in Claim 1, their production, their use as dyestuffs as well as material dyed with these dyestuffs.

Description

  • The invention relates to basic bisazo compounds, salts thereof and mixtures of these compounds, which may be in internal or external, salt form. They are suitable for use as dyestuffs.
  • GB 1296857 or GB2173210 disclose basic metal-free or metallised disazo pyridone dyes free from sulphonic acid groups, are useful for dyeing paper, textiles and leather.
  • However there is still a need to produce dyes having improved properties. Surprisingly, it was found that dyes according to formula (I) as shown below of the present application have those desired properties.
  • According to the invention there are provided compounds of formula (I)
  • Figure US20100000033A1-20100107-C00002
    • R0 signifies a substituted C1 to C4 alkyl group or an unsubstituted C1 to C4 alkyl group,
    • R1 signifies H, N(R7′R7″), a substituted C1 to C4 alkyl group or an unsubstituted C1 to C4 alkyl group or CN,
    • R2 or R2′ signify H, a substituted C1 to C4 alkyl group or an unsubstituted C1 to C4 alkyl group, or a group with the formula

  • —[(CR8R8′)—(CR9′R9′)m—(CR10R10′)n—(CR11R11′)o]—NR12R12′
      • where m, n and o have the meaning of 1 or 0, and R8, R8′, R9, R9′, R10, R10′, R11 or R11′ signify independently H, a substituted C1 to C4 alkyl group or an unsubstituted C1 to C4 alkyl group; and R12 or R12′ signify independently H, a substituted C1 to C4 alkyl group or an unsubstituted C1 to C4 alkyl group.
    • R3 signify H, a substituted C1 to C4 alkyl group or an unsubstituted C1 to C4 alkyl group, a substituted C1 to C4 alkoxy group or an unsubstituted C1 to C4 alkoxy group,
    • R4 signifies H, a substituted C1 to C4 alkyl group or an unsubstituted C1 to C4 alkyl group, a substituted C1 to C4 alkoxy group or an unsubstituted C1 to C4 alkoxy group,
    • R5 signifies substituted H, C1 to C9 alkyl group or an unsubstituted C1 to C9 alkyl group,
    • R6 signifies a substituted C1 to C9 alkyl group or an unsubstituted C1 to C9 alkyl group, an unsubstituted aryl group or a substituted aryl group,
    • R7′ or R7″ signify independently a substituted C1 to C4 alkyl group or an unsubstituted C1 to C4 alkyl group, or R7′ and R7″ form together with the nitrogen atom a five or six membered aromatic or a five or six membered cyclo alipahatic, wherein the five or six membered rings are substituted by a C1 to C4 alkyl group or the five or six membered rings are not further substituted,
  • By preference, the sum of carbon atoms of R5 and R6 together is at least 4 carbon atoms, more preferred R5 and R6 have together at least 5 carbon atoms. Even more preferred, the sum of carbon atoms of R5 and R6 together is 5 or 6 or 7 or 8 or 9 carbon atoms. When the substituent R6 signifies H the substituent R6 signifies by preference H.
  • In preferred compounds of formula (I)
    • R0 signifies a substituted C1 to C4 alkyl group or an unsubstituted C1 to C4 alkyl group,
    • R1 signifies N(R7′R7″), a substituted C1 to C4 alkyl group or an unsubstituted C1 to C4 alkyl group,
    • R2 or R2′ a group with the formula

  • —[(CR8R8′)—(CR9′R9′)m—(CR10R10′)n—(CR11R11′)o]—NR12R12′
      • where m, n and o have the meaning of 1 or 0, and R8, R8′, R9, R9′, R10, R10′, R11 or R11′ signify independently H, a substituted C1 to C4 alkyl group or an unsubstituted C1 to C4 alkyl group; and R12 or R12′ signify independently H, a substituted C1 to C4 alkyl group or an unsubstituted C1 to C4 alkyl group,
    • R3 signifies H, a substituted C1 to C4 alkyl group or an unsubstituted C1 to C4 alkyl group, a substituted C1 to C4 alkoxy group or an unsubstituted C1 to C4 alkoxy group,
    • R4 signifies H, C1 to C4 alkyl group, C1 to C4 alkoxy group
    • R5 signifies substituted H, C1 to C9 alkyl group or an unsubstituted C1 to C9 alkyl group,
    • R6 signifies a substituted C1 to C9 alkyl group or an unsubstituted C1 to C9 alkyl group, an unsubstituted aryl group or a substituted aryl group,
    • R7′ and R7″ form together with the nitrogen atom a five or six membered aromatic,
      • wherein the five or six membered rings is substituted by a C1 to C4 alkyl group or the five or six membered ring is not further substituted,
  • By preference R1 signifies
  • Figure US20100000033A1-20100107-C00003
  • wherein the * shows the point of attachment to the rest of the molecule and wherein R13 signifies H, a substituted C1 to C4 alkyl group or an unsubstituted C1 to C4 alkyl group, a substituted C1 to C4 alkoxy group or an unsubstituted C1 to C4 alkoxy group. The preferred group R13 signifies H or Methyl. The preferred group R13 is attached in the para-position to the nitrogen. Preferably the substituent is attached in para position to the nitrogen atom.
  • By preference R2 or R2′ signifly a group with the formula

  • —[(CR8R8′)—(CR9′R9′)—(CR10R10′)]—NR12R12′
  • where R8, R8′, R9, R9′, R10 or R10′ signify independently H, a substituted C1 to C4 alkyl group or an unsubstituted C1 to C4 alkyl group; and R12 or R12′ signifies independently H, a substituted C1 to C4 alkyl group or an unsubstituted C1 to C4 alkyl group and, even more preferred R8, R8′, R9, R9′, R10 or R10′ signify independently H and R12 or R12′ signify independently from each other H, methyl or ethyl, more preferred methyl. In very preferred compounds R2 and R2′ have the same meaning.
  • Aryl means phenyl or naphtyl, by preference phenyl, Substituted aryl means aryl groups substituted by —COOH, —OH, C1-4alkyl groups or C1-4alkoxy groups.
  • Generally, alkyl or alkoxy groups are by preference C1-4alkyl groups or C1-4alkoxy groups; C1-4alkyl groups or C1-4alkoxy which may be further substituted by C1-4alkyl, —COOH, —OH. Preferred alkyl groups are methyl or ethyl. Preferred substituents of the alky groups or or alkoxy groups is OH. When R8′, R8″ R9′; R9″ are substituted alkyl groups, the preferred substituent is —OH. Preferred alkoxy groups are methoxy or ethoxy. The alkyl groups and the alkoxy groups are branched or linear.
  • However, the more preferred alkyl or alkoxy groups for R5 and R6 signify a substituted C1 to C9 alkyl group or an unsubstituted C1 to C9 alkyl group and are branched or linear and the substituents may be selected from the group of —COOH, —OH. The most preferred alkyl groups are methyl, ethyl, propyl, iso-proply, butyl, iso-butyl, pentyl, hexyl, heptyl, octyl, or nonyl.
  • The present invention further provides a process for the preparation of compounds of formula (I) comprising reacting the bis-diazonium salt of a di-amine of formula (II),
  • Figure US20100000033A1-20100107-C00004
  • with one equivalent compound of formula (III) and one equivalent compound of formula (III′)
  • Figure US20100000033A1-20100107-C00005
  • in which R0, R1, R2, R2′, R3, R4, R5 and R6 are defined as above defined.
  • Diazotisation and coupling may be effected in accordance with conventional methods. The coupling reaction advantageously is carried out in an aqueous reaction medium in a temperature range of from 0-60° C., preferably at 0-40° C., more preferred at 0-10° C., even more preferred at 0-5° C. and in a pH range of from 2 to 9, preferably at pH 3 to 6. All temperatures are given in degrees Celsius.
  • The reaction mixtures comprising compounds of formula (I) thus obtained may be converted into stable liquid formulations with improved long term stability by desalting by ultra filtration.
  • The compounds of formula (I) thus obtained may be isolated in accordance with known methods.
  • The compounds of formula (I) containing free basic groups may be converted wholly or in part into water-soluble salts by reacting with any inorganic or organic acids for example with lactic acid, or acetic acid, or formic acid, or with hydrochloric acid, or with sulfuric acid.
  • Further more it is also possible to convert the compounds of formula (I) containing free basic groups of different salts by applying a mixture of inorganic or organic acids, for examples mixtures of the two or more acids selected from lactic acid, acetic acid, formic acid, hydrochloric acid, and sulfuric acid. Thus the compounds of formula (I) containing free basic groups may after the treatment with lactic acid and hydrochloric acids consist of a mixed salt with chloride and lactate anions or the compounds of formula (I) containing free basic groups may after the treatment with acetic acid and hydrochloric acids consist of a mixed salt with chloride and acetate anions.
  • The starting compounds, the amines of formula (II) and of compounds of formula (III), are either known or may be prepared in accordance with known methods from available starting materials. Suitabel methods are described e.g. in DE399149; DE505475; DE1220863; DE1793020 (GB1129306), DE3226889, DE4014847.
  • However, novel amines according to the formula (II) may be prepared according the methods disclosed in DE399149; DE505475; DE1220863; DE1793020 (GB 1129306), DE3226889, DE4014847, thus more precisely either starting form aldehydes (when R5 is H and R6 is different from H) or from ketones (when both R5 and R6 are different from H) of the formula
  • Figure US20100000033A1-20100107-C00006
  • by reacting at elevated temperature and elevated pressure under acidic condition with two equivalents of an aromatic amine of the formula
  • Figure US20100000033A1-20100107-C00007
  • forming the diamine of the formula (III)
  • Figure US20100000033A1-20100107-C00008
  • The reaction mixture is heated in a closed autoclave at 120° C.-250° C., preferably 140° C.-200° C., more preferably 140° C. to 150° C. the reaction mixture is kept at this temperature for 3-8 hours, preferably for 4-5 hours. The elevated temperature leads in this closed autoclave to the elevated pressure. Alternatively the synthesis may be performed in the melt of the aminocompound-hydrochloride adding the ketocompound at elevated temperature 200 to 250° C. and the pressure is atmospheric pressure.
  • The compounds according to the invention, in acid addition salt form or quaternary ammonium salt form, may be used for dyeing cationic dyeable materials such as: homo- or mixed-polymers of acrylonitrile, acid modified polyester or polyamide; wool; leather including low affinity vegetable-tanned leather; cotton; bast fibers such as hemp, flax, sisal, jute, coir and straw; regenerated cellulose fibers, glass or glass products comprising glass fibers; and substrates comprising cellulose for example paper and cotton. They may also be used for printing fibers, filaments and textiles comprising any of the above mentioned materials in accordance with known methods. Printing may be effected by impregnation of the material to be printed with a suitable printing paste comprising one or more compounds of the present invention. The type of printing paste employed, may vary depending on the material to be printed. Choice of a suitable commercially available printing paste or production of a suitable paste, is routine for one skilled in the art. Alternatively the compounds of the present invention may be used in the preparation of inks suitable for example for jet printing, in accordance with conventional methods.
  • Most preferably, the dyestuffs are used for dyeing or printing of paper e.g., sized or unsized, wood-free or wood-containing paper or paper-based products such as cardboard. They may be used in continuous dyeing in the stock, dyeing in the size press, in a conventional dipping or surface coloring process. The dyeing and printing of paper is effected by known methods.
  • The dyeings and prints and particularly those obtained on paper, show good fastness properties.
  • Especially the waste water values are very good when dyed or printed paper or paper-based products are produced in medium or deep shades.
  • The compounds of formula (I) may be converted into dyeing preparations. Processing into stable liquid, preferably aqueous, or solid (granulated or powder form) dyeing preparations may take place in a generally known manner. Advantageously suitable liquid dyeing preparations may be made by dissolving the dyestuff in suitable solvents or in a mixture of suitable solvents such as mineral acids or organic acids, e.g., hydrochloric acid, sulphuric acid, phosphoric acid, formic acid, acetic acid, lactic acid, glycolic acid, citric acid and methanesulphonic acid. Furthermore formamide, dimethylformamide, urea, glycols and ethers thereof, dextrin or addition products of boric acid with sorbit may be used together with water, optionally adding an assistant, e.g. a stabilizer. Such preparations may be obtained, for example, as described in FR1572030 (U.S. Pat. No. 4,023,924).
  • The compounds of formula (I) (in the corresponding salt form) have good solubility especially in cold water. Owing to their high substantivity the compounds of the present invention exhaust practically quantitatively and show a good build-up power. They can be added to the stock directly, i.e. without previously dissolving, as either a dry powder or granulate, without reducing the brilliance or the yield of color. They can also be used in soft water without loss of yield. They do not mottle when applied on paper, are not inclined to give two-sided dyeing on paper and are practically insensitive to filler or pH variations. They operate over a broad pH range, in the range of from pH 3 to 10. When producing sized or unsized paper, the wastewater is essentially colorless. This feature, which is extremely important from an environmental viewpoint, when compared with similar known dyes, shows a marked improvement. A sized paper dyeing when compared with the corresponding unsized paper dyeing does not show any decrease in strength.
  • The paper dyeings or printings made with the compounds according to the invention are clear and brilliant and have good light fastness. On exposure to light for a long time, the shade of the dyeing fades tone in tone. They show very good wet fastness properties; being fast to water, milk, fruit juice, sweetened mineral water, tonic water, soap and sodium chloride solution, urine etc. Furthermore, they have good alcohol fastness properties. The wet fastness properties are improved compared to known dyes showing otherwise similar properties. They do not exhibit a tendency towards two-sidedness.
  • Paper dyed or printed with the compounds of the present invention can be bleached either oxidatively or reductively, a feature, which is important for the recycling of waste paper and old paper products.
  • The compounds of the present invention may also be used to dye paper containing wood-pulp where even dyeings, having good fastness properties are obtained. Furthermore, they may be used for the production of coated paper in accordance with known methods. Preferably when coating, a suitable filler, for example kaolin, is employed in order to give a one-side coated paper.
  • The compounds of the present invention are also suitable for dyeing in combination with other dyes for example other cationic or anionic dyes. The compatibility of the compounds of the present invention when used as a dye in mixtures with other commercially available dyes, may be determined according to conventional methods. The thus obtained dyeings have good fastness properties.
  • The invention yet further provides use of a compound of the present invention for dyeing or printing any of the abovementioned substrates.
  • The invention further provides a substrate, which has been dyed or printed with a compound of the present invention. The substrate may be selected from any of the above mentioned substrates. A preferred substrate is a substrate comprising cellulose such as cotton or paper or paper based product.
  • The dye preparations of the present invention can also be used for dyeing and tinting wood. The wood can be in the form of articles, such as bowls, dishes, toys, but also solid slats and beams, and also in the form of shavings, chips or chipboard. Parts of buildings can similarly be treated with the dye preparations of the present invention, as can furniture. The application of the liquid dye preparations of the present invention can be utilized for equalizing colour differences in the wood or in a veneer, but also for completely changing the colour of the wood or of a veneer. The liquid dye preparations of the present invention can be utilized as an aqueous stain (in which case water is the main solvent), as an alcoholic-aqueous stain (i.e. the solvent is an alcohol-water mixture) or as stains involving organic solvents (about 30-95% of organic solvents; such stains may also possibly be water thinnable).
  • The following examples further serve to illustrate the invention. In the Examples all parts and all percentages are by weight or volume, and the temperatures given are in degrees Celsius, unless indicated to the contrary.
  • The invention will now be illustrated by the following Examples in which all parts are by weight and all temperatures are in degrees Celsius.
  • EXAMPLE 1 Method A
  • 106 g benzaldehyde, 400 g o-anisidine, 450 g hydrochloric acid (ca. 30%) and 800 ml water were heated in an autoclave at 140° C. for 6 hours.
  • The reaction mixture was poured on 1 kg ice and 500 g sodium hydroxide solution (30%). The organic layer was separated and the excess of o-anisidine separated with toluene. The residue was re-crystallized from toluene and the press cake washed with cold alcohol. A compound of the formula (I) was obtained); Yield: 41%
  • Figure US20100000033A1-20100107-C00009
  • EXAMPLE 2 Method B
  • 780 g (6 mol) of aniline hydrochloride are melted in a 1.5-1 reaction vessel under nitrogen at 220° C. and 100 g (1 mol) of 2-Ethylbutyraldehyde is slowly added thereto while stirring over a period of 4 hour.
  • The temperature of the melt falls from initially ca. 200° C. to 185° C. because of the reflux. The temperature is kept for one hour at 185° C. and the hot melt is poured on a mixture of 1.6 kg ice and 1.05 kg of sodium hydroxide solution (30%).
  • The organic layer is separated and washed free from salt with demineralised water. The excess of aniline is extracted by water steam distillation.
  • The residue, ca. 180 g was re-crystallized from toluene and the press cake is washed with cold ethanol. A compound of the formula (2) was obtained); Yield: 48%
  • Figure US20100000033A1-20100107-C00010
  • TABLE 1 Synthesis of the di amines starting with aldehydes
    Figure US20100000033A1-20100107-C00011
    Nr.
    Figure US20100000033A1-20100107-C00012
    R5 R6
    3
    Figure US20100000033A1-20100107-C00013
    H CH2CH2CH2CH3
    4
    Figure US20100000033A1-20100107-C00014
    H CH2CH(CH3)2
    5
    Figure US20100000033A1-20100107-C00015
    H CH(CH3)CH2CH3
    6
    Figure US20100000033A1-20100107-C00016
    H CH(CH3)CH2CH2CH3
    7
    Figure US20100000033A1-20100107-C00017
    H (CH2)5CH3
    8
    Figure US20100000033A1-20100107-C00018
    H (CH2)4CH3
    9
    Figure US20100000033A1-20100107-C00019
    H CH(CH2CH3)(CH2)3CH3
    10
    Figure US20100000033A1-20100107-C00020
    H (CH2)6CH3
    11
    Figure US20100000033A1-20100107-C00021
    H (CH2)7CH3
    12
    Figure US20100000033A1-20100107-C00022
    H (CH2)8CH3
    13
    Figure US20100000033A1-20100107-C00023
    H CH2-Ph
    14
    Figure US20100000033A1-20100107-C00024
    H Ph
    15
    Figure US20100000033A1-20100107-C00025
    H 4-Ph-CH3
    16
    Figure US20100000033A1-20100107-C00026
    H 4-Ph-CH(CH3)2
    17
    Figure US20100000033A1-20100107-C00027
    H 4-Ph-t-Bu
    18
    Figure US20100000033A1-20100107-C00028
    H 4-Ph-OCH3
    19
    Figure US20100000033A1-20100107-C00029
    H 4-Ph-OCH2CH3
    20
    Figure US20100000033A1-20100107-C00030
    H CH2CH(CH3)2
    21
    Figure US20100000033A1-20100107-C00031
    H CH(CH2CH3)2
    22
    Figure US20100000033A1-20100107-C00032
    H Phenyl
    23
    Figure US20100000033A1-20100107-C00033
    H 4-Ph-CH3
    24
    Figure US20100000033A1-20100107-C00034
    H 4-Ph-OCH3
    25
    Figure US20100000033A1-20100107-C00035
    H CH(CH2CH3)2
    26
    Figure US20100000033A1-20100107-C00036
    H Phenyl
    27
    Figure US20100000033A1-20100107-C00037
    H 4-Ph-CH3
    28
    Figure US20100000033A1-20100107-C00038
    H 4-Ph-OCH3
    29
    Figure US20100000033A1-20100107-C00039
    H CH(CH2CH3)2
    30
    Figure US20100000033A1-20100107-C00040
    H CH(CH2CH3)(CH2)3CH3
    31
    Figure US20100000033A1-20100107-C00041
    H 4-Ph-CH3
    32
    Figure US20100000033A1-20100107-C00042
    H 4-Ph-OCH3
    33
    Figure US20100000033A1-20100107-C00043
    H CH(CH2CH3)2
    34
    Figure US20100000033A1-20100107-C00044
    H CH(CH2CH3)(CH2)3CH3
    35
    Figure US20100000033A1-20100107-C00045
    H Phenyl
    36
    Figure US20100000033A1-20100107-C00046
    H CH(CH2CH3)2
    37
    Figure US20100000033A1-20100107-C00047
    H CH(CH2CH3)(CH2)3CH3
    38
    Figure US20100000033A1-20100107-C00048
    H Phenyl
    39
    Figure US20100000033A1-20100107-C00049
    H 4-Ph-OCH3
  • EXAMPLE 40 Method A
  • 101 g Ethyl-propylketone, 500 g o-anisidine, 500 g hydrochloric acid (a. 30%) and 1000 ml water were heated in an autoclave at 140° C. for 6 hours.
  • The reaction mixture was poured on 1 kg ice and 600 g sodium hydroxide solution (30%). The organic layer was separated and the excess of o-anisidine extracted with toluene. The residue was re-crystallized from toluene and the press cake washed with cold alcohol. A compound of the formula (3) was obtained; Yield: 33%
  • Figure US20100000033A1-20100107-C00050
  • EXAMPLE 41 Method B
  • 780 g (6 mol) of aniline hydrochloride are melted in a 1-1 reaction vessel under nitrogen at 220° C. and 86 g (1 mol) of 3-Pentanone is slowly added thereto while stirring over a period of 3-4 hour.
  • The temperature of the melt falls from initially ca. 200° C. to 185° C. because of the reflux.
  • The temperature is kept for one hour at 185° C. and the hot melt is poured on a mixture of 1.6 kg ice and 1.05 kg of sodium hydroxide solution (30%).
  • The organic layer is separated and washed free from salt with demineralised water. The aniline excess is extracted by water steam distillation.
  • The residue, ca. 160 g was re-crystallized from toluene and the press cake is washed with cold ethanol. A compound of the formula (4) was obtained; Yield: 52%
  • Figure US20100000033A1-20100107-C00051
  • TABLE 2 Synthesis of the di-amines starting with ketones
    Figure US20100000033A1-20100107-C00052
    Nr.
    Figure US20100000033A1-20100107-C00053
    R5 R6
    42
    Figure US20100000033A1-20100107-C00054
    CH3 CH2CH2CH3
    43
    Figure US20100000033A1-20100107-C00055
    CH3 CH(CH3)2
    44
    Figure US20100000033A1-20100107-C00056
    CH3 CH2CH2CH2CH3
    45
    Figure US20100000033A1-20100107-C00057
    CH3 CH2CH(CH3)2
    46
    Figure US20100000033A1-20100107-C00058
    CH3 CH2CH2CH2CH2CH3
    47
    Figure US20100000033A1-20100107-C00059
    CH3 CH2CH2CH(CH3)2
    48
    Figure US20100000033A1-20100107-C00060
    CH3 CH2CH2CH2CH2CH2CH3
    49
    Figure US20100000033A1-20100107-C00061
    CH3 CH2Ph
    50
    Figure US20100000033A1-20100107-C00062
    CH3 CH2CH2Ph
    51
    Figure US20100000033A1-20100107-C00063
    CH2CH3 CH2CH2CH3
    52
    Figure US20100000033A1-20100107-C00064
    CH2CH3 CH2CH2CH2CH3
    53
    Figure US20100000033A1-20100107-C00065
    CH2CH3 CH2CH2CH2CH2CH3
    54
    Figure US20100000033A1-20100107-C00066
    CH2CH3 CH2CH2CH2CH2CH2CH3
    55
    Figure US20100000033A1-20100107-C00067
    CH2CH3 CH2CH2CH(CH3)2
    56
    Figure US20100000033A1-20100107-C00068
    CH2CH3 CH2CH(CH3)CH2CH3
    57
    Figure US20100000033A1-20100107-C00069
    CH2CH2CH3 CH2CH2CH3
    58
    Figure US20100000033A1-20100107-C00070
    CH(CH3)2 CH(CH3)2
    59
    Figure US20100000033A1-20100107-C00071
    CH2CH2CH2CH3 CH2CH2CH2CH3
    60
    Figure US20100000033A1-20100107-C00072
    CHCH2(CH3)2 CHCH2(CH3)2
    61
    Figure US20100000033A1-20100107-C00073
    CH2CH3 CH2CH3
    62
    Figure US20100000033A1-20100107-C00074
    CH2CH3 CH2CH2CH2CH3
    63
    Figure US20100000033A1-20100107-C00075
    CH2CH3 CH2CH3
    64
    Figure US20100000033A1-20100107-C00076
    CH2CH3 CH2CH2CH2CH3
    65
    Figure US20100000033A1-20100107-C00077
    CH3 CH2CH(CH3)2
    66
    Figure US20100000033A1-20100107-C00078
    CH2CH3 CH2CH3
    67
    Figure US20100000033A1-20100107-C00079
    CH2CH3 CH2CH2CH2CH3
  • EXAMPLE 68
  • 26.8 Parts (0.1 mol) of 1,1-bis-(4-aminophenyl)-2-ethyl-butane (bridge-example 2) are tetrazotised according to known methods with 13.8 parts (0.2 mol) of sodium nitrite at 0-5° C. in 200 parts of water and 60 parts of hydrochloric acid (ca. 30%). 64.4 parts (0.2 mol) of a compound of the formula
  • Figure US20100000033A1-20100107-C00080
  • dissolved in 250 parts of water are added over 30 minutes to the ice cold tetrazotised solution. By the addition of 30% NaOH solution the pH is brought to 3-4.5 yielding a dyestuff of formula (5) and the dyestuff is in solution. λmax=459 nm.
  • Figure US20100000033A1-20100107-C00081
  • The dyestuff can be isolated by concentration under vacuum or by precipitation in aceton/alcohol.
  • The reaction mixture however can be used directly for dyeing without isolation the product. The dyestuff of formula (5) has surprisingly very high solubility in water and gives yellow dyeings with very good fastness properties.
  • EXAMPLE 69
  • 33.4 Parts (0.1 mol) of Bis-(3-methoxy-4-aminophenyl)-phenylmethane (bridge-example 1) are tetrazotised according to known methods with 13.8 parts (0.2 mol) of sodium nitrite at 0-5° C. in 200 parts of water and 60 parts of hydrochloric acid (ca. 30%).
  • 64.4 parts (0.2 mol) of a compound of the formula
  • Figure US20100000033A1-20100107-C00082
  • dissolved in 250 parts of water are added over 30 minutes to the ice cold tetrazotised solution. By the addition of 30% NaOH solution the pH is brought to 3-4.5 yielding a dyestuff of formula (6) and the dyestuff is in solution. λmax 475 nm.
  • Figure US20100000033A1-20100107-C00083
  • The dyestuff can be isolated by concentration under vacuum or by precipitation in aceton/alcohol.
  • The reaction mixture howevercan be used directly for dyeing without isolation the product. The dyestuff of formula (6) has very high solubility in water and gives yellow dyeings with surprisingly very good fastness properties.
  • TABLE 3 synthesis of the dyesstuff with the diamines from Table 1 The following compounds shown in the table 3a were synthesized according to the example 68 or 69 using the diamine
    Figure US20100000033A1-20100107-C00084
    diazo component and reacted with coupling component
    Figure US20100000033A1-20100107-C00085
    λ max (lambda max) is indicated in nm (nano meters; measured in 1% acetic acid solution). Dye- Bridge- stuff-nr. Diamine nr. λ max 70
    Figure US20100000033A1-20100107-C00086
    3 445
    71
    Figure US20100000033A1-20100107-C00087
    4 447
    72
    Figure US20100000033A1-20100107-C00088
    5 450
    73
    Figure US20100000033A1-20100107-C00089
    6 448
    74
    Figure US20100000033A1-20100107-C00090
    7 449
    75
    Figure US20100000033A1-20100107-C00091
    8 446
    76
    Figure US20100000033A1-20100107-C00092
    9 452
    77
    Figure US20100000033A1-20100107-C00093
    10 449
    78
    Figure US20100000033A1-20100107-C00094
    11 449
    79
    Figure US20100000033A1-20100107-C00095
    12 451
    80
    Figure US20100000033A1-20100107-C00096
    13 451
    81
    Figure US20100000033A1-20100107-C00097
    14 448
    82
    Figure US20100000033A1-20100107-C00098
    15 458
    83
    Figure US20100000033A1-20100107-C00099
    16 454
    84
    Figure US20100000033A1-20100107-C00100
    17 456
    85
    Figure US20100000033A1-20100107-C00101
    18 449
    86
    Figure US20100000033A1-20100107-C00102
    19 453
    87
    Figure US20100000033A1-20100107-C00103
    20 458
    88
    Figure US20100000033A1-20100107-C00104
    21 456
    89
    Figure US20100000033A1-20100107-C00105
    22 459
    90
    Figure US20100000033A1-20100107-C00106
    23 455
    91
    Figure US20100000033A1-20100107-C00107
    24 458
    92
    Figure US20100000033A1-20100107-C00108
    25 444
    93
    Figure US20100000033A1-20100107-C00109
    26 445
    94
    Figure US20100000033A1-20100107-C00110
    27 446
    95
    Figure US20100000033A1-20100107-C00111
    28 445
    96
    Figure US20100000033A1-20100107-C00112
    29 476
    97
    Figure US20100000033A1-20100107-C00113
    30 475
    98
    Figure US20100000033A1-20100107-C00114
    31 472
    99
    Figure US20100000033A1-20100107-C00115
    32 474
    100
    Figure US20100000033A1-20100107-C00116
    33 485
    101
    Figure US20100000033A1-20100107-C00117
    34 479
    102
    Figure US20100000033A1-20100107-C00118
    35 480
    103
    Figure US20100000033A1-20100107-C00119
    36 500
    104
    Figure US20100000033A1-20100107-C00120
    37 501
    105
    Figure US20100000033A1-20100107-C00121
    38 498
  • TABLE 4 synthesis of the dyesstuff with the diamines from Table 1 The following compounds shown in the table 4 were synthesized according to the example 68 or 69 using the diamine
    Figure US20100000033A1-20100107-C00122
    diazo component and reacted with coupling component
    Figure US20100000033A1-20100107-C00123
    λ max (lambda max) is indicated in nm (nano meters; measured in 1% acetic acid solution). Dye- stuff-nr. Diamine Bridge-nr. λ max 106
    Figure US20100000033A1-20100107-C00124
    2 457
    107
    Figure US20100000033A1-20100107-C00125
    1 472
    108
    Figure US20100000033A1-20100107-C00126
    5 446
    109
    Figure US20100000033A1-20100107-C00127
    6 447
    110
    Figure US20100000033A1-20100107-C00128
    7 446
    111
    Figure US20100000033A1-20100107-C00129
    9 449
    112
    Figure US20100000033A1-20100107-C00130
    15 452
    113
    Figure US20100000033A1-20100107-C00131
    18 450
    114
    Figure US20100000033A1-20100107-C00132
    21 458
    115
    Figure US20100000033A1-20100107-C00133
    22 459
    116
    Figure US20100000033A1-20100107-C00134
    23 461
    117
    Figure US20100000033A1-20100107-C00135
    24 460
    118
    Figure US20100000033A1-20100107-C00136
    25 443
    119
    Figure US20100000033A1-20100107-C00137
    26 442
    120
    Figure US20100000033A1-20100107-C00138
    29 475
    121
    Figure US20100000033A1-20100107-C00139
    33 476
    122
    Figure US20100000033A1-20100107-C00140
    35 472
  • TABLE 5 synthesis of the dyesstuff with the diamines from Table 2 The following compounds shown in the table 5 were synthesized according to the example 68 or 69 using the diamine
    Figure US20100000033A1-20100107-C00141
    diazo component and reacted with coupling component
    Figure US20100000033A1-20100107-C00142
    λ max (lambda max) is indicated in nm (nano meters; measured in 1% acetic acid solution). Dye- stuff- Bridge- nr. Diamine nr. λ max 123
    Figure US20100000033A1-20100107-C00143
    41 459
    124
    Figure US20100000033A1-20100107-C00144
    42 450
    125
    Figure US20100000033A1-20100107-C00145
    43 448
    126
    Figure US20100000033A1-20100107-C00146
    44 441
    127
    Figure US20100000033A1-20100107-C00147
    45 443
    128
    Figure US20100000033A1-20100107-C00148
    46 447
    129
    Figure US20100000033A1-20100107-C00149
    47 444
    130
    Figure US20100000033A1-20100107-C00150
    48 445
    131
    Figure US20100000033A1-20100107-C00151
    49 445
    132
    Figure US20100000033A1-20100107-C00152
    50 446
    133
    Figure US20100000033A1-20100107-C00153
    51 440
    134
    Figure US20100000033A1-20100107-C00154
    52 440
    135
    Figure US20100000033A1-20100107-C00155
    53 439
    136
    Figure US20100000033A1-20100107-C00156
    54 438
    137
    Figure US20100000033A1-20100107-C00157
    55 434
    138
    Figure US20100000033A1-20100107-C00158
    56 440
    139
    Figure US20100000033A1-20100107-C00159
    57 443
    140
    Figure US20100000033A1-20100107-C00160
    58 441
    141
    Figure US20100000033A1-20100107-C00161
    59 439
    142
    Figure US20100000033A1-20100107-C00162
    60 442
    143
    Figure US20100000033A1-20100107-C00163
    61 453
    144
    Figure US20100000033A1-20100107-C00164
    62 452
    145
    Figure US20100000033A1-20100107-C00165
    63 454
    146
    Figure US20100000033A1-20100107-C00166
    64 452
    147
    Figure US20100000033A1-20100107-C00167
    65 473
    148
    Figure US20100000033A1-20100107-C00168
    66 475
    149
    Figure US20100000033A1-20100107-C00169
    40 472
    150
    Figure US20100000033A1-20100107-C00170
    67 475
  • TABLE 6 synthesis of the dyesstuff with the diamines from Table 2 The following compounds shown in the table 6 were synthesized according to the example 68 or 69 using the diamine
    Figure US20100000033A1-20100107-C00171
    diazo component and reacted with coupling component
    Figure US20100000033A1-20100107-C00172
    λ max (lambda max) is indicated in nm (nano meters; measured in 1% acetic acid solution). Dye- stuff- Bridge- nr. Diamine nr. λ max 151
    Figure US20100000033A1-20100107-C00173
    41 446
    152
    Figure US20100000033A1-20100107-C00174
    42 441
    153
    Figure US20100000033A1-20100107-C00175
    47 446
    154
    Figure US20100000033A1-20100107-C00176
    49 445
    155
    Figure US20100000033A1-20100107-C00177
    52 441
    156
    Figure US20100000033A1-20100107-C00178
    61 460
    157
    Figure US20100000033A1-20100107-C00179
    63 455
    158
    Figure US20100000033A1-20100107-C00180
    66 472
    159
    Figure US20100000033A1-20100107-C00181
    67 475
  • APPLICATION EXAMPLE A
  • 70 parts chemically bleached sulphite cellulose obtained from pinewood and 30 parts chemically bleached cellulose obtained from birchwood are beaten in 2000 parts water in a Hollander. 0.2 parts of the dyestuff of Example 68 are sprinkled into this pulp. After mixing for 10 min, paper is produced from this pulp. The absorbent paper obtained in this way is dyed yellow. The wastewater is colorless.
  • APPLICATION EXAMPLE B
  • 0.2 parts of the dyestuff powder according to Example 68, were dissolved in 100 parts hot water and cooled to room temperature. The solution is added to 100 parts chemically bleached sulphite cellulose which have been ground with 2000 parts water in a Hollander. After 15 minutes thorough mixing resin size and aluminium sulphate are added thereto. Paper produced in this way has a yellow nuance and exhibits perfect light and wet fastness.
  • APPLICATION EXAMPLE C
  • An absorbent length of unsized paper is drawn at 40-50° C. through a dyestuff solution having the following composition:
  •  0.3 parts of the dyestuff according to Example 68  0.5 parts of starch and 99.0 parts of water.
  • The excess dyestuff solution is squeezed out through two rollers. The dried length of paper is dyed a yellow shade.
  • The dyestuffs of Examples 69 to 159 may also be used for dyeing by a method analogous to that of Application Examples A to C. The paper dyeings obtained show good fastness properties.
  • APPLICATION EXAMPLE D
  • 0.2 Parts of the dyestuff of Example 68 in acid addition salt form are dissolved in 4000 part of demineralised water at 40° C. 100 Parts of a pre-wetted cotton textile substrate are added, and the bath is raised to the boiling point over 30 minutes and held at the boil for one hour. Any water, which evaporates during dyeing, is replaced continuously. The dyed substrate is removed form the bath, and after rinsing and drying, a yellow dyeing is obtained having good light- and wet-fastness properties. The dyestuff exhausts practically totally onto the fiber, and the wastewater is almost colorless.
  • In a similar manner as described in Application Example D the dyestuffs according to Examples 69-159 may be used for dyeing cotton.
  • APPLICATION EXAMPLE E
  • 100 parts freshly tanned and neutralized chrome leather are agitated for 30 minutes in a vessel with a liquor consisting of 250 parts of water at 55° C. and 0.5 parts of the dyestuff of Example 68 in acid addition salt form, and then treated in the same bath for 30 minutes with 2 parts of an anionic fatty liquor based on sulphonated train oil. The leather is then dried and prepared in the normal way, giving a leather evenly dyed in a yellow shade.
  • In a similar manner as described in Application Example E the dyestuffs according to Examples 69-159 may be used for dyeing leather.
  • Further vegetable-tanned leathers of low affinity may be dyed using the dyestuffs as described herein in accordance with known methods.
  • APPLICATION EXAMPLE F
  • Water is added to a dry pulp in Hollander consisting of 60% (by weight) of mechanical wood pulp and 40% (by weight) of unbleached sulphite cellulose, and the slurry is beaten in order to obtain a dry content slightly exceeding 2.5% and having a beating degree of 40° SR (degrees Schopper-Riegler). The slurry is then exactly adjusted to a high density dry content of 2.5% by adding water. 5 Parts of a 2.5% aqueous solution of the dyestuff according to Example 68 are added to 200 parts of the above resulting slurry. The mixture is stirred for about 5 minutes and, after the addition of 2% (by weight) resin size and then 4% (by weight) alum (based on the dry weight) is further stirred for a few minutes until homogeneous. The resulting pulp is diluted with about 500 parts water to a volume of 700 parts and then used for the production of paper sheets by suction on a sheet former. The resulting paper sheets are yellow. By a method analogous to that described in Application Example F any one of the dyestuffs of Examples 69-159 may be used instead of that of Example 68. In all cases, the waste paper exhibits a substantially low residual dye concentration.
  • APPLICATION EXAMPLE G
  • Water is added to a dry pulp in a Hollander consisting of 50% (by weight) of chemically bleached sulphite cellulose obtained from pinewood and 50% (by weight) of chemically bleached sulphite cellulose obtained from birchwood, and the slurry is ground until a degree of grinding of 35° SR is reached. The slurry is then adjusted to a high density dry content of 2.5% by adding water, and the pH of this suspension is adjusted to 7.10 Parts of a 0.5% aqueous solution of the dyestuff according to Example 68 are added to 200 parts of the above resulting slurry, and the mixture is stirred for 5 minutes. The resulting pulp is diluted with 500 parts water and then used for the production of sheets by suction on a sheet former. The paper sheets thus obtained have a yellow shade.
  • By a method analogous to that described in Application Example G further dye mixtures may be used consisting of any one of the dyestuffs of Examples 69-159. In all cases, paper sheets are formed having a yellow shade.
  • APPLICATION EXAMPLE H
  • 12.6 parts dyestuff of Example 68 are added dropwise at room temperature to a stirred mixture of 20.0 parts diethyleneglycole and 67.4 parts of demineralized water. The resulting ink exhibits good light- and waterfastness properties. In a similar manner as described in Application Example H any one of the dyestuffs of Examples 69-159 may be used.
  • APPLICATION EXAMPLE I
  • A roof batten composed of Norway spruce and a roof batten composed of beechwood are sawn into pieces 5 cm in length and one piece of the sprucewood roof batten and one piece of the beechwood roof batten are dipped into a dilute solution of the reaction solution according to Example 68 (30 parts by weight of water and 1 part by weight of reaction solution, thus without isolating the dye stuff). Yellowish roof batten pieces are obtained on drying. In a similar manner as described in Application Example I any one of the dyestuffs of Examples 69-159 may be used.

Claims (10)

1. A compound of formula (I)
Figure US20100000033A1-20100107-C00182
where
R0 is a substituted or an unsubstituted C1 to C4 alkyl group,
R1 is selected from the group consisting of: H, N(R7′R7″), a substituted C1 to C4 alkyl group, an unsubstituted C1 to C4 alkyl group, and CN,
R2 or R2′ are selected from the group consisting of: H, a substituted C1 to C4 alkyl group, an unsubstituted C1 to C4 alkyl group, and a group with the formula

—[(CR8R8′)—(CR9′R9′)m—(CR10R10′)n—(CR11R11′)o]—NR12R12′
wherein
m, n and o are 1 or 0,
R8, R8′, R9, R9′, R10, R10′, R11 or R11′ are independently selected from the group consisting of: H, a substituted C1 to C4 alkyl group, and an unsubstituted C1 to C4 alkyl group; and R12 or R12′ are independently selected from the group consisting of: H, a substituted C1 to C4 alkyl group, and an unsubstituted C1 to C4 alkyl group,
R3 is selected from the group consisting of: H, a substituted C1 to C4 alkyl group, an unsubstituted C1 to C4 alkyl group, a substituted C1 to C4 alkoxy group, and an unsubstituted C1 to C4 alkoxy group,
R4 is selected from the group consisting of: H, a substituted C1 to C4 alkyl group, an unsubstituted C1 to C4 alkyl group, a substituted C1 to C4 alkoxy group, and an unsubstituted C1 to C4 alkoxy group,
R5 is selected from the group consisting of: H, substituted C1 to C9 alkyl group, and an unsubstituted C1 to C9 alkyl group,
R6 is selected from the group consisting of: a substituted C1 to C9 alkyl group, an unsubstituted C1 to C9 alkyl group, an unsubstituted aryl group, and a substituted aryl group,
R7′ or R7″ are independently selected from the group consisting of: a substituted C1 to C4 alkyl group, an unsubstituted C1 to C4 alkyl group, and R7′ and R7″ form together with the nitrogen atom a five or six membered aromatic or a five or six membered cyclo alipahatic, wherein the five or six membered rings are substituted by a C1 to C4 alkyl group or the five or six membered rings are not further substituted.
2. A compound according to claim 1, wherein
R0 is a substituted C1 to C4 alkyl group or an unsubstituted C1 to C4 alkyl group,
R1 selected from the group consisting of: N(R7′R7″), a substituted C1 to C4 alkyl group, and an unsubstituted C1 to C4 alkyl group,
R2 or R2′ a group with the formula

—[(CR8R8′)—(CR9′R9′)m—(CR10R10′)n—(CR11R11′)o]—NR12R12′
wherein m, n and o are 1 or 0, and R8, R8′, R9, R9′, R10, R10′, R11 or R11′ are independently selected from the group consisting of: H, a substituted C1 to C4 alkyl group, and an unsubstituted C1 to C4 alkyl group; and
R12 or R12′ are independently selected from the group consisting of: H, a substituted C1 to C4 alkyl group, and an unsubstituted C1 to C4 alkyl group,
R3 is selected from the group consisting of: H, a substituted C1 to C4 alkyl group, an unsubstituted C1 to C4 alkyl group, a substituted C1 to C4 alkoxy group, and an unsubstituted C1 to C4 alkoxy group,
R4 is selected from the group consisting of: H, C1 to C4 alkyl group, and C1 to C4 alkoxy group
R5 is selected from the group consisting of: H, substituted C1 to C9 alkyl group, and an unsubstituted C1 to C9 alkyl group,
R6 is selected from the group consisting of: a substituted C1 to C9 alkyl group, an unsubstituted C1 to C9 alkyl group, an unsubstituted aryl group, and a substituted aryl group,
R7′ and R7″ form together with the nitrogen atom a five or six membered aromatic, wherein the five or six membered rings is substituted by a C1 to C4 alkyl group or the five or six membered ring is not further substituted.
3. A compound according to claim 2 wherein the sum of carbon atoms of R5 and R6 is at least 4.
4. A compound according to claim 3, wherein R1 is
Figure US20100000033A1-20100107-C00183
wherein the * shows the point of attachment to the rest of the molecule and wherein
R13 is selected from the group consisting of: H, a substituted C1 to C4 alkyl group, an unsubstituted C1 to C4 alkyl group, a substituted C1 to C4 alkoxy group, and an unsubstituted C1 to C4 alkoxy group.
5. A compound according to claim 4 wherein
R2 or R2′ is a group with the formula

—[(CR8R8′)—(CR9′R9′)—(CR10R10′)]—NR12R12′
wherein
R8, R8′, R9, R9′, R10 or R10′ are independently selected from the group consisting of: H, a substituted C1 to C4 alkyl group, and an unsubstituted C1 to C4 alkyl group; and
R12 or R12′ are independently selected from the group consisting of: H, a substituted C1 to C4 alkyl group, and an unsubstituted C1 to C4 alkyl group.
6. A method for the production of a compound according to claim 1, comprising the steps of reacting a bis-diazonium salt of a di-amine of formula (II), having the following formula:
Figure US20100000033A1-20100107-C00184
with one equivalent compound of formula (III) and one equivalent compound of formula (III′)
Figure US20100000033A1-20100107-C00185
wherein R0, R1, R2, R2′, R3, R4, R5 and R6 are defined above.
7. A process for dyeing or printing cationic dyeable material comprising the step of contacting the cationic dyeable material with at least one compound of formula (I) according to claim 1.
8. A liquid dyeing preparation or ink jet ink comprising at least one compound of formula (I) according to claim 1.
9. A cationic dyeable material, which has been dyed or printed with at least one compound of formula (I) according to claim 1.
10. A process for preparing an ink jet ink comprising the step of mixing at least one compound of formula (I) according to claim 1 with at least one additional ink jet ink component.
US12/375,375 2006-07-28 2007-07-25 Basic bisazo compounds Active 2029-02-28 US8921564B2 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP06118116 2006-07-28
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EP2258685B1 (en) * 2009-05-14 2013-10-23 Clariant Finance (BV) Limited Bisazo compounds
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CA2782729C (en) 2009-12-02 2017-09-19 Clariant Finance (Bvi) Limited Concentrated storage-stable aqueous optical brightening solutions
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